A203702 v(n+1)/v(n), where v=A203701.

5, 130, 25636, 28716740, 236631565960, 12705797338650000, 4767029025189356900000, 12126770507151944803953632800, 212318208746951339013683682117800000, 25425834059910484466764205797889644291200000

Offset

1,1

Comments

See A093883 for a discussion and guide to related sequences.

Links

Table of n, a(n) for n=1..10.

Mathematica

f[j_] := Fibonacci[j + 1]; z = 11;
u[n_] := Product[f[j]^2 + f[k]^2, {j, 1, k - 1}]
v[n_] := Product[u[n], {k, 2, n}]
Table[v[n], {n, 1, z}]          (* A203701 *)
Table[v[n + 1]/v[n], {n, 1, z}] (* A203702 *)

Crossrefs

Sequence in context: A069078 A003732 A203476 * A142892 A229879 A145611

Adjacent sequences: A203699 A203700 A203701 * A203703 A203704 A203705

Keyword

nonn

Author

Clark Kimberling, Jan 04 2012

Status

approved